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HD 7750 on hp compaq dc 7800 minitower

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  • Hewlett Packard
  • CPUs
  • HD
  • Graphics
Last response: in Graphics & Displays
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August 7, 2014 5:39:07 AM

I wanna buy a gigabyte amd hd 7750 for my cpu:
Intel core 2 duo e8400
4gb ram
PCIe 1.0 x 16 PSu 365 watts
just to play good games ( COD MW2, BattleField 2, GTA IV etc)
I am confused that will it work on this CPU or not.

More about : 7750 compaq 7800 minitower

a b à CPUs
August 7, 2014 5:49:40 AM

It will work smoothly. Uninstall old graphics driver. If you are currently using an on-board motherboard graphics then disable it on the BIOS. After that install the new graphics card and install latest driver available form AMD web site.
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August 7, 2014 5:58:39 AM

Thanks for the quick reply spp85 I will try your sollution.
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August 7, 2014 7:00:15 AM

UM ... are you sure that this card will even fit in your case? From my experience towers like this are incapable of holding anything bigger than a low profile card. Also I believe your power supply is a 240w which might indicate that adding the card could also make the power draw on your computer to high for the power supply. (when you consider that your pc is about 6 years old) That if you have not already replaced your power supply that between the initial low power of the power supply and Capacitor aging That might be close to 170w usable and most HP power supply's are very cheap crappy power supply's to begin with.
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August 7, 2014 9:12:54 AM

angelice said:
UM ... are you sure that this card will even fit in your case? From my experience towers like this are incapable of holding anything bigger than a low profile card. Also I believe your power supply is a 240w which might indicate that adding the card could also make the power draw on your computer to high for the power supply. (when you consider that your pc is about 6 years old) That if you have not already replaced your power supply that between the initial low power of the power supply and Capacitor aging That might be close to 170w usable and most HP power supply's are very cheap crappy power supply's to begin with.


http://www.ctsestore.com/sites/default/files/styles/pic... its my pc and it uses 365 watts PSU and this is the card http://www.techpowerup.com/gpudb/images/b859.jpg
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August 7, 2014 10:03:09 AM

Well that does seem to be a full width case so you will be okay on room the card should work just fine.

However if you have issues with the card not performing well I would suggest purchasing a decent brand power supply as a low end 6 year old power supply may still not hold out well with the added video card.

Something like this might be a good option (if needed)it is a good brand that will allow you to actually use much better video cards if ever needed and you should be able to take this power supply with you to your next system.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Hope everything works out well and the we have been of assistance have a great day.
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August 7, 2014 10:16:48 AM

angelice said:
Well that does seem to be a full width case so you will be okay on room the card should work just fine.

However if you have issues with the card not performing well I would suggest purchasing a decent brand power supply as a low end 6 year old power supply may still not hold out well with the added video card.

Something like this might be a good option (if needed)it is a good brand that will allow you to actually use much better video cards if ever needed and you should be able to take this power supply with you to your next system.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Hope everything works out well and the we have been of assistance have a great day.

Thanks for your cooperation and time and I would really like to buy the product that you have suggested with my new pc.
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a b à CPUs
August 7, 2014 10:31:40 AM

You really should, even if the 7750 only uses some 50W or something, you really want to invest in a good PSU. If the PSU fails, it MAY take some of the components with it. Be careful when you use old PSUs like that one, that come inside prebuilt computers.
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August 7, 2014 11:05:42 AM

Agreed, luckily that doesn't usually happen but better safe then sorry.

Plus if you put it in and it does work it may not work long. So it never hurts to go ahead and replace it now to be safe.
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August 7, 2014 11:09:35 AM

Shadowblade2652 said:
You really should, even if the 7750 only uses some 50W or something, you really want to invest in a good PSU. If the PSU fails, it MAY take some of the components with it. Be careful when you use old PSUs like that one, that come inside prebuilt computers.


OK, but will that card work on the pc
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a b à CPUs
August 7, 2014 11:10:50 AM

Yes.

Upgrade the power supply for peace of mind. The garbage that comes with standard prebuild PC's is awful and shouldn't even be kept in a home.
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August 7, 2014 12:09:26 PM

absolutely agreed, the video card will work, however changing the power supply may not be needed should probably be done, and if you decide later on down the line you need something better you will be able to. something to consider might be that most of those games a 7750 will only be able to run minimal settings, gta iv, cod mw2, etc it couldn't hurt to go ahead and get something a bit better in the graphics department a 6850-6870 is a significant performance upgrade and could be a much better buy if you can find them many places still have them refurbished.
http://www.ebay.com/itm/AMD-Radeon-HD-6870-1GB-GDDR5-PC... (117$)
Not sure what your paying but this card is about twice as good as the card you were considering and would make much more since as a gaming investment.

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August 7, 2014 12:22:00 PM

angelice said:
absolutely agreed, the video card will work, however changing the power supply may not be needed should probably be done, and if you decide later on down the line you need something better you will be able to. something to consider might be that most of those games a 7750 will only be able to run minimal settings, gta iv, cod mw2, etc it couldn't hurt to go ahead and get something a bit better in the graphics department a 6850-6870 is a significant performance upgrade and could be a much better buy if you can find them many places still have them refurbished.
http://www.ebay.com/itm/AMD-Radeon-HD-6870-1GB-GDDR5-PC... (117$)
Not sure what your paying but this card is about twice as good as the card you were considering and would make much more since as a gaming investment.


ok but in a new PC ...whenever i will have the chance to get rid of this pc.
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August 7, 2014 12:34:25 PM

spp85 said:
It will work smoothly. Uninstall old graphics driver. If you are currently using an on-board motherboard graphics then disable it on the BIOS. After that install the new graphics card and install latest driver available form AMD web site.


But, Dude How can you say that can you give me some kind of prove or something?
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Best solution

a b à CPUs
August 7, 2014 1:19:23 PM

Actually scrap that
it'll be quite slow.

Your computer has a 1.0 PCI-E slot. Graphics cards need 2.0 or 3.0 to be fast. 1.0 offers very limited bandwidth and the card would perform slower.

You'll need a new motherboard to take full advantage of the card, but for your purposes, it'll be good enough to run the games.

And you don't need proof to see if it will work. They're designed to work with the greatest range of hardware possible.
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August 7, 2014 1:20:26 PM

if you do what he said it will work. i get the feeling hes done this a time or two before and I do it for a living.

Yeah I just figured I'd mention it in case you hadn't bought the other video card yet.
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August 7, 2014 1:22:08 PM

and you don't actually have to disable on-board graphics it should boot automatically from the dedicated card once installed ...
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August 7, 2014 1:26:03 PM

Shadowblade2652 said:
Actually scrap that
it'll be quite slow.

Your computer has a 1.0 PCI-E slot. Graphics cards need 2.0 or 3.0 to be fast. 1.0 offers very limited bandwidth and the card would perform slower.

You'll need a new motherboard to take full advantage of the card, but for your purposes, it'll be good enough to run the games.

And you don't need proof to see if it will work. They're designed to work with the greatest range of hardware possible.

Thanks for a satisfactory answer.
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August 7, 2014 1:28:31 PM

actually a 6870 can't fully saturate a pci-e 1.1 only very high end and dual gpu cards gtx 590 radeon hd 6990 7990 etc are bottle-necked by 1.1 and that is only 3-5% however the processor might serve as a small bottleneck to the video card in some games (starcraft 2 etc cpu intensive games.)
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a b à CPUs
August 7, 2014 2:24:38 PM

angelice said:
actually a 6870 can't fully saturate a pci-e 1.1 only very high end and dual gpu cards gtx 590 radeon hd 6990 7990 etc are bottle-necked by 1.1 and that is only 3-5% however the processor might serve as a small bottleneck to the video card in some games (starcraft 2 etc cpu intensive games.)


Even then, it's still a slight bottleneck. There is reduced bandwidth.
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August 7, 2014 2:52:31 PM

yes but the processor is more likely to be a bottleneck than the motherboard at such point. in battlefield and gta 4 that need higher end processors, and well we both know that is a pretty minimal video card 7750 = 4870/5770 performance not really a high end card, most likely especially because of that it will never come anywhere near being a bottlneck

http://www.techpowerup.com/reviews/NVIDIA/GTX_480_PCI-E...

This shows that even if he were sitting in a 1.1 x8 slot that maximum loss would be between 7-8% with a gtx 480

a Gtx 480 is roughly 2 1/2 times as strong a card as the 7750 meaning that there is absolutely no chance of bottleneck with a Low end card like a 7750

http://gpuboss.com/gpus/Radeon-HD-7750-vs-GeForce-GTX-4...
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